package com.zx.Ding.common;


import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.*;

import java.sql.SQLIntegrityConstraintViolationException;

/**
 * 全局异常处理
 */
@Slf4j
@ResponseBody
//annotations 注释
@ControllerAdvice(annotations = {RestController.class,Controller.class})
public class GlobalExceptionHandler {

     /**
     * 异常处理方法
     * @return
     */
    @ExceptionHandler(SQLIntegrityConstraintViolationException.class)
    public R<String>exceptionHandler(SQLIntegrityConstraintViolationException ex){
        log.error(ex.getMessage());
        if (ex.getMessage().contains("Duplicate entry")){
            String[] split=ex.getMessage().split(" ");
            String msg=split[2]+"已存在";
            return R.error(msg);
        }
        return R.error("失败了");
    }
    /**
     * 删除分类时 关联了菜品或者套餐
     * 异常处理方法
     * @return
     */
    @ExceptionHandler(CustomException.class)
    public R<String>exceptionHandler(CustomException ex){
        log.error(ex.getMessage());
        return R.error(ex.getMessage());
    }
}
